8745613 has 2 divisors, whose sum is σ = 8745614. Its totient is φ = 8745612.

The previous prime is 8745571. The next prime is 8745637. The reversal of 8745613 is 3165478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 1764 = 2957^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 8745613 - 2⁹ = 8745101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8745683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372806 + 4372807.

It is an arithmetic number, because the mean of its divisors is an integer number (4372807).

Almost surely, 2^8745613 is an apocalyptic number.

It is an amenable number.

8745613 is a deficient number, since it is larger than the sum of its proper divisors (1).

8745613 is an equidigital number, since it uses as much as digits as its factorization.

8745613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 8745613 is about 2957.2982602369. The cubic root of 8745613 is about 206.0298209884.

The spelling of 8745613 in words is "eight million, seven hundred forty-five thousand, six hundred thirteen".